23540401652017 has 2 divisors, whose sum is σ = 23540401652018. Its totient is φ = 23540401652016.

The previous prime is 23540401652003. The next prime is 23540401652083. The reversal of 23540401652017 is 71025610404532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23365777121856 + 174624530161 = 4833816^2 + 417881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23540401652017 is a prime.

It is not a weakly prime, because it can be changed into another prime (23540401652717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770200826008 + 11770200826009.

It is an arithmetic number, because the mean of its divisors is an integer number (11770200826009).

Almost surely, 2^{23540401652017} is an apocalyptic number.

It is an amenable number.

23540401652017 is a deficient number, since it is larger than the sum of its proper divisors (1).

23540401652017 is an equidigital number, since it uses as much as digits as its factorization.

23540401652017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 23540401652017 in words is "twenty-three trillion, five hundred forty billion, four hundred one million, six hundred fifty-two thousand, seventeen".